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Measurement and Instrumentation

Measurement and Instrumentation
The resistance in the circuit of the moving coil of a dynamometer wattmeter should be

High
None of the listed here
Low
Almost zero

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Measurement and Instrumentation
When a capacitor was connected to the terminal of ohmmeter, the pointer indicated a low resistance initially and then slowly came to infinity position. This shows that capacitor is

None of these
All right
Short-circuited
Faulty

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Measurement and Instrumentation
The ratio of change in output to the change in the input is called

 sensitivity
 precision
 resolution
 repeatability

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Measurement and Instrumentation
The core flux in the CT of above question no.6, under the given operating conditions is

 1000 mWb.
 225 mWb.
 450 mWb.
 0.

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Measurement and Instrumentation
A megger is usually

Hot-wire type instrument
Moving iron type instrument
Moving coil type instrument
Electro-static type instrument

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Measurement and Instrumentation
A 0 - 200 V voltmeter has a guaranteed accuracy of 1% of full scale reading. The voltage measured by this instrument is 50 V. What is the limiting error?

 4%
 3%
 2%
 5%

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